
Mark Twain National Forest
Mark Twain National Forest is a easy 200+ miles off-road trail near Potosi, MO. It requires a properly built 4x4 with All-terrain tires and is best run Year-round. Stock trucks and Jeeps are not recommended; plan on the required modifications before attempting it.
Trail Conditions
No reports yet
Named for Missouri's most famous author, this vast national forest sprawls across the Ozark Highlands with spring-fed rivers, dramatic shut-ins where creeks squeeze through ancient volcanic rock, and cave systems that honeycomb the limestone bedrock.
Fun Facts
Mark Twain National Forest covers 1.5 million acres across southern Missouri.
The Ozarks contain more caves than any region in the U.S. outside of Kentucky.
Big Spring near Van Buren is one of the largest single-outlet springs in the world.
🛞 Tires
⚙️ Drivetrain
Closest campgrounds to Mark Twain National Forest:
- Powder Mill Campground · Eminence Township · 54 mi
- Sinking Creek Campground · Eminence · 54 mi
- Jerktail Campground · Eminence Township · 55 mi
- Pulltite Campground · Eminence · 55 mi
Where to Camp
GPS Coordinates
Import into Gaia GPS, OnX Offroad, or Garmin
Map of Potosi, MO
5-Day Forecast
WHAT YOU'LL NEED
Stock rigs can usually run this trail, but the right tire size and fitment make it more enjoyable.
Tire Size Calculator
Convert tire sizes and compare diameter differences before you swap.
Verify your stock tires meet minimum clearance for this trail.
Gear Ratio Calculator
Find the right gear ratio after lifting or upsizing tires.
Re-gear after a tire upgrade to restore trail torque and MPG.
Wheel Fitment Calculator
Calculate backspacing and offset so wider wheels clear your suspension.
Ensure any wheel upgrade clears your factory suspension.